Dreaming about having heart discomfort could be a real symptom, in which case it is convenient to consult a doctor. If its not real pain, but only a dream, then it symbolizes problems in matters being handled. Dreaming of staring at your own heart hints that you are missing vital energy and that something needs to be done in order to recuperate it. Dreaming about an animals heart hints that you will rule your enemies, achieving their respect. Dreaming of eating the heart of a chicken or any bird suggests the desire to achieve rare, unrealistic and difficult objectives that will cause problems, disrupting the normal development of the dreamers activities.
Read more about dreaming of Heart in other dream meanings interpretations.